<!DOCTYPE html>
<html lang="zh-CN" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>访问不存在</title>
    <style>
        body, html {
            height: 100%;
            margin: 0;
            display: flex;
            justify-content: center;
            align-items: center;
            background-color: #d7effe;
            font-family: Arial, sans-serif;
        }

        .error-container {
            padding: 20px;
            background-color: #409eff;
            border: 1px solid #008b26;
            color: white;
            text-align: center;
        }

        .error-container a {
            color: yellow;
            text-decoration: none;
            font-weight: bold;
        }

        .error-container a:hover {
            text-decoration: underline;
        }
    </style>
</head>
<body>
    <div class="error-container">
        访问不存在
        <a href="/">返回主页</a>
    </div>
</body>
</html>